常見(jiàn)例句Procynosuchid eyes are forward-facing, and the dentary was larger than the Therocephalians. 原犬鱷龍科動(dòng)物的眼睛呈往前方向,齒骨比獸頭類的齒骨大。These cynodonts are identified by, among other diagnostic features, a simplified lower jaw that is dominated by a single bone, the dentary. 這些犬齒龍的特色是下顎已經(jīng)簡(jiǎn)化了,主體由單一一塊骨頭構(gòu)成,就是齒骨。no tooth on the maxilla and the back of the dentary. 齒骨后端和上頜骨沒(méi)有牙齒。the frontage of the dentary forms a platform as a result of its bending; 齒骨前部由于彎曲形成一個(gè)平臺(tái);gular bone The median, dermal bone between the dentary bones of some primitive fishes (e.g. Latimeria and Elops). 喉骨在一些原始的魚(yú)(例如腔棘魚(yú)與海鰱)的中央表皮硬骨介于齒骨之間。dentary bone 齒骨(動(dòng)) 返回 dentary